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#1 |
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If your running an EFI car you need to keep them charged. System voltage effects how fast your injectors open. Need to keep that constant. Also, if you change to or from 16 volts you will have to re-tune your air/ fuel. Makes that much difference. Therefore, if you take it out of the car and go put it on an engine dyno you need to use 16 volts there also.
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Ed Wright 4156 SS/JA |
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#2 |
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We initially had periodic starting issues with the 6.1 hemi AND the 5.7 hemi at 12 volts.
We changed over to the 16V battery with mini alternator. We always charged between rounds, both 12v and 16v. Then at one race after we went to 16c, we lost the belt on the alternator. We ran the next couple of rounds without the alternator. But we did charge between rounds. And there was no problem starting through the lanes, fuel check, and scale. Needless to say, we put the belt back on when we got a new one. But it is nice to know that the car will start just fine without the alternator functioning during a race cycle. David The New Hemi Guy Last edited by NewHemi; 12-12-2012 at 01:10 AM. |
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#3 |
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12V Braille Battery. 21 LBS and have not charged it all year. How do I know? We didnt race much and the battery charger said it was full charged and turned out to be defective. Didnt make many runs by comparison, but I dont know when the charger took a dump.
Stock 65 amp 1986 Ford Alternator. Which in stock is mandatory dont forget. Unless of course I missed something. |
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#4 |
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Is there a starter upgrade needed, as well as, alternator and battery, when switching to 16v? Or does the added voltage just make the starter spin better? I would love to upgrade, someday, but not sure what all is needed. Thanks.
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1968 Bird/TRW 455/Home ported 13's, '70 Qjet,Holley Street Dominator manifold, Comp Solid FT, 10.817/122.30/1.440 Workin' on E/SA combo ![]() |
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#5 |
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All you need is the battery, alternator (for Stock) and the charger. FYI - some battery manufacturers will not warranty the battery if you do not have their charger so keep that in mind, ask questions.
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Jeff Lee 7494 D/S '70 AMX |
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#6 |
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Brent, the starter is fine, it easily tolerates the extra voltage. I think the extra electrical power actually helps the starter because it spins up so quick. Less operation time for the starter, less heat buildup. The 16 volt upgrade is one of those things that puts a smile on my face every time I touch the starter button.
And speaking of alternators [we were talking about alternators weren't we?] some alternators can be fitted with a 16 volt regulator upgrade. That is what we run on both our cars. An off the shelf OE alternator with 16 volt regulator. One source for those regulators is Make Payne at House of Payne Performance. He also sells the Rock battery & charger.
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Larry Woodfin 471W |
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#7 | |
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I use the white XS 16v batteries now, great products.... Wade |
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#8 |
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Intresting Wade. I will have to cuss out my rep!!!!!!!!! How long ago was this?
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#9 |
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So what about the alternator for a single 16 volt set up. 50 or 100 amps ? Seems like most of the race alternators are 50 amps. Would it be better to go overkill and get a 100 or 140 amp one ?
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#10 |
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I just bought this one. And I also have the Performance V battery & charger. Look at the alternator and then go to their home page.
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Jeff Lee 7494 D/S '70 AMX |
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